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interface: add an interface struct

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The interface struct has the type,version and methods of the
interface.
Make spa interfaces extend from spa_interface and make a
separate structure for the methods.
Pass a generic void* as the first argument of methods, like
we don in PipeWire.
Bundle the methods + implementation in a versioned inteface
and use that to invoke methods. This way we can do version
checks on the methods.
Make resource and proxy interfaces that we can can call. We
can then make the core interfaces independent on proxy/resource and
hide them in the lower layers.
Add add_listener method to methods of core interfaces, just
like SPA.
This commit is contained in:
Wim Taymans 2019-05-20 16:11:23 +02:00
parent eb6481efb3
commit ff946e3d4b
85 changed files with 3051 additions and 3000 deletions
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24
spa/tools/spa-monitor.c
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@ -88,9 +88,9 @@ static int on_monitor_event(void *_data, struct spa_event *event)
return 0;
}
static int do_add_source(struct spa_loop *loop, struct spa_source *source)
static int do_add_source(void *object, struct spa_source *source)
{
struct data *data = SPA_CONTAINER_OF(loop, struct data, main_loop);
struct data *data = object;
data->sources[data->n_sources] = *source;
data->n_sources++;
@ -99,14 +99,10 @@ static int do_add_source(struct spa_loop *loop, struct spa_source *source)
return 0;
}
static int do_update_source(struct spa_source *source)
{
return 0;
}
static void do_remove_source(struct spa_source *source)
{
}
static const struct spa_loop_methods impl_loop = {
SPA_VERSION_LOOP_METHODS,
.add_source = do_add_source,
};
static const struct spa_monitor_callbacks impl_callbacks = {
SPA_VERSION_MONITOR_CALLBACKS,
@ -161,10 +157,10 @@ int main(int argc, char *argv[])
uint32_t fidx;
data.log = &default_log.log;
data.main_loop.version = SPA_VERSION_LOOP;
data.main_loop.add_source = do_add_source;
data.main_loop.update_source = do_update_source;
data.main_loop.remove_source = do_remove_source;
data.main_loop.iface = SPA_INTERFACE_INIT(
SPA_TYPE_INTERFACE_Loop,
SPA_VERSION_LOOP,
&impl_loop, &data);
data.support[1] = SPA_SUPPORT_INIT(SPA_TYPE_INTERFACE_Log, data.log);
data.support[2] = SPA_SUPPORT_INIT(SPA_TYPE_INTERFACE_MainLoop, &data.main_loop);